PhoneLifespan

iPhone 15 vs 14T

vs

Winner

Xiaomi 14T

The 14T wins this one, taking battery and display decisively. Against the iPhone 15 it's also the sounder buy at $9.63 per month of safe use.

Value Score: iPhone 15 62 · 14T 71 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Apple iPhone 15 $430
Safe to buy$8.38/mo
2023◆ Buy-by Sep 20282030
Xiaomi 14T $380
Safe to buy$9.63/mo
2024◆ Buy-by Sep 20272029

Category by category

Display
iPhone 15 5014T 80

The 14T's screen is the better one — 6.67-inch amoled, 2712×1220 (446 ppi), up to 144hz, up to 4000 nits peak.

Performance
iPhone 15 8014T 73

The iPhone 15's Apple A16 Bionic is simply the faster chip.

Camera
iPhone 15 6214T 79

The 14T has the stronger camera system (3 real rear lenses vs 2).

Battery
iPhone 15 4714T 80

5,000mAh vs 3,349mAh — the 14T lasts longer between charges.

Software longevity
iPhone 15 6114T 47

The iPhone 15 is supported until Sep 2030 — 12 months longer than the 14T.

Value
iPhone 15 6214T 71

Overall value goes to the 14T at $9.63 per month of safe use.

Full spec table
SpeciPhone 1514T
Price (street)$430$380
Display6.1-inch Super Retina XDR OLED, 60Hz, Dynamic Island, up to 2000 nits peak6.67-inch AMOLED, 2712×1220 (446 ppi), up to 144Hz, up to 4000 nits peak
ChipsetApple A16 BionicMediaTek Dimensity 8300-Ultra
RAM6GB12GB
Storage128GB/256GB/512GB256GB/512GB
Battery3,349 mAh5,000 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless67W wired
Rear cameras48MP main, 12MP ultra-wide50MP main (Leica, Sony IMX906, OIS), 50MP telephoto 2x (50mm), 12MP ultra-wide (120° FOV)
Dimensions147.6 × 71.6 × 7.80 mm160.5 × 75.1 × 7.80 mm
Weight171 g195 g
Water resistanceIP68IP68
Supported untilSep 2030Sep 2029
iPhone 15 full verdict →14T full verdict →Longevity master board →

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.